Declare providing extension capabilities in the manifest.

chrome/common/extensions/chrome_manifest_handlers.cc

Index: chrome/common/extensions/chrome_manifest_handlers.cc
diff --git a/chrome/common/extensions/chrome_manifest_handlers.cc b/chrome/common/extensions/chrome_manifest_handlers.cc
index 59eebc718ea691a2062aa51a2c709119434512df..5243472188858f80c9799ea2b12c4ae3fcacd84d 100644
--- a/chrome/common/extensions/chrome_manifest_handlers.cc
+++ b/chrome/common/extensions/chrome_manifest_handlers.cc
@@ -6,6 +6,7 @@
 
 #include "chrome/common/extensions/api/commands/commands_handler.h"
 #include "chrome/common/extensions/api/file_browser_handlers/file_browser_handler.h"
+#include "chrome/common/extensions/api/file_system_provider/file_system_provider_handler.h"
 #include "chrome/common/extensions/api/storage/storage_schema_manifest_handler.h"
 #if defined(OS_CHROMEOS)
 #include "chrome/common/extensions/api/input_ime/input_components_handler.h"
@@ -49,9 +50,6 @@ void RegisterChromeManifestHandlers() {
   (new ExtensionActionHandler)->Register();
   (new FileBrowserHandlerParser)->Register();
   (new HomepageURLHandler)->Register();
-#if defined(OS_CHROMEOS)
-  (new InputComponentsHandler)->Register();
-#endif
   (new MinimumChromeVersionChecker)->Register();
   (new OmniboxHandler)->Register();
   (new OptionsPageManifestHandler)->Register();
@@ -68,6 +66,10 @@ void RegisterChromeManifestHandlers() {
   (new UpdateURLHandler)->Register();
   (new UrlHandlersParser)->Register();
   (new URLOverridesHandler)->Register();
+#if defined(OS_CHROMEOS)
+  (new InputComponentsHandler)->Register();
+  (new FileSystemProviderHandler)->Register();
+#endif
 }
 
 }  // namespace extensions